SilverStone's Argon series are specialized for systems built in small cases and where noise can be an issue.  It measures 140x50x159mm, perfect for fitting into a smaller system and from [H]ard|OCP's testing we see the cooler produces 40.9db(A) maximum.  This does mean the cooler is not for systems you plan to heavily overclock but the performance is good enough to support a minor boost if your HTPC needs a bit more power.  Check out the full review here.

"The Argon Series AR07 CPU air cooler is billed by Silverstone as being, "For users looking for a no-nonsense top performing cooler without the premium price, the Argon AR07 is the perfect choice." Three heatpipes, some fins, and a 140mm fan is no-nonsense in our book, so how does it cool?"

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CASES & COOLING